Home / 35,512.32-48,990.72-20,605.44

Finding the Fourth Proportional to 35,512.32, 48,990.72 and 20,605.44

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Solution

The fourth proportional to 35,512.32, 48,990.72 and 20,605.44 is: 28,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.32 : 48,990.72 = 20,605.44 : x
  2. Step 2: Convert to fraction form
    35,512.32/48,990.72 = 20,605.44/x
  3. Step 3: Cross multiply
    35,512.32x = 48,990.72 × 20,605.44
  4. Step 4: Simplify right side
    35,512.32x = 1,009,475,341.52
  5. Step 5: Solve for x
    x = 1,009,475,341.52/35,512.32
  6. Step 6: Final answer
    x = 28,426.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.